diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py
index a3a9e5e1d..780191505 100644
--- a/scrapy/core/http2/stream.py
+++ b/scrapy/core/http2/stream.py
@@ -150,7 +150,7 @@ class Stream:
                 self.close(StreamCloseReason.CANCELLED)
 
         self._deferred_response = Deferred(_cancel)
-    
+
     def __repr__(self):
         return f'Stream(id={self.stream_id!r})'